40929953 has 2 divisors, whose sum is σ = 40929954. Its totient is φ = 40929952.

The previous prime is 40929923. The next prime is 40929989. The reversal of 40929953 is 35992904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26543104 + 14386849 = 5152^2 + 3793^2 .

It is a cyclic number.

It is not a de Polignac number, because 40929953 - 2¹⁰ = 40928929 is a prime.

It is a super-2 number, since 2×40929953² = 3350522105164418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40929953.

It is not a weakly prime, because it can be changed into another prime (40929913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20464976 + 20464977.

It is an arithmetic number, because the mean of its divisors is an integer number (20464977).

Almost surely, 2^40929953 is an apocalyptic number.

It is an amenable number.

40929953 is a deficient number, since it is larger than the sum of its proper divisors (1).

40929953 is an equidigital number, since it uses as much as digits as its factorization.

40929953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 40929953 is about 6397.6521474679. The cubic root of 40929953 is about 344.6252403340.

The spelling of 40929953 in words is "forty million, nine hundred twenty-nine thousand, nine hundred fifty-three".